Question

Differentiation problem. Answer this for points. see the image attached.​

Answer 1

Simple bro use chain rule ...

y= ln( cos√x).

dy/dx= [dln( cos√x) / dcos√x ]×[d

cos√x/ d√x ]× [ dx^1/2 / dx].

( Use chain rule)

= [ -sin√x ×/ cos√x × 2 × √x].

= -tan√x/ 2√x so correct answer is a) I hope it help you✌️✌️✌️

Answer 2

Step-by-step explanation:

my answer is coming d option......whuch one is correct